I thin Biryani is said to have originated in Hyderabad in Souhtern India. SOmeone with mroe knowledge can correct me if I am wrong...
And what Arabic ancestors? There are no Arab descendents in India today as far as I am aware...
Biryani as we know it basically a Persian Rice dish high on Indian Spices .Biryani or beryā(n as it is known in Persia is (fried before cooking)..